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Search results

  1. CursedH1

    Timekeeper explosion in P400

    Figured I'd go ahead and post here as a warning to others. Timekeeper set installed in a brand new P400 in 2022. 20k miles on the motor and Timekeeper set. Around Thanksgiving I noticed a knock coming from the engine, then found glitter in the oil. Thankfully the pieces of the exploded...
    • CursedH1
    • Thread
    • engine failure timekeeper timing timing gears
    • Replies: 56
    • Forum: GM 6.5 Diesel
  2. CursedH1

    6.5L Brand new set of 6.5 P400 Rocker Arms

    Replaced these with the Harland Sharp rocker arms during my new P400 build. They have 0 miles on them and the only action they saw was the test fire on the GEP factory floor earlier this year. SS Diesel supply has each rail (set of 4 rockers) listed for $200, so I'll take $150 + shipping for...
  3. CursedH1

    Pulsing at idle after engine warms up

    Hey there! Got a bit of a mystery on my hands. My brand new P400, with brand new IP and PMD < 1 year old has an issue where, after I've driven it a while, usually on the highway - and gotten the engine nice and toasty (on the H1's that means up past 205) - then when I come back to a stoplight...
  4. CursedH1

    DS4 shutoff solenoid temporary removal

    Hello There, I am assembling the components to install a fuel pressure gauge into my H1. I've got a mechanical lift pump going into my DS4 so I'm really keen on getting a pressure reading going into the IP. I have a FTB mod already installed. I've found a stainless AN6 Tee that I can use to...
  5. CursedH1

    Another Hummer FNG

    Hey there, Will.L brought me over from the Hummer Mailing List forums. He's helped me out a ton with my rig so I figured I'd come check out where he haunts normally. I own a 2000 HMCS (Hummer H1 Wagon) that I picked up in October of 2018. I am in southern Maine and I bought it from a dealer...
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